[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:41895"}},
{"name":"thread_name","ph":"M","pid":1,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":1,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":1,"tid":2,"ts":191.293,"dur":66.875,"args":{"object":5393333232659857409}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":258.168,"dur":554631.718,"args":{"object":5393333232659857409,"queued_after_submit_us":4.834,"dispatch_wait_us":4.875,"settle_after_end_us":186.001}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
